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nvidia-texture-tools
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Merge changes from The Witness.

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pull/216/head
castano 12 years ago
parent 3b4fcd0369
commit 04bdc76749
15 changed files with 284 additions and 128 deletions
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16
src/nvcore/Array.inl
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@ -290,11 +290,23 @@ namespace nv
template <typename T>
NV_FORCEINLINE void Array<T>::copy(const T * data, uint count)
{
destroy_range(m_buffer, count, m_size);
#if 1 // More simple, but maybe not be as efficient?
destroy_range(m_buffer, 0, m_size);
setArraySize(count);
::nv::copy(m_buffer, data, count);
construct_range(m_buffer, count, 0, data);
#else
const uint old_size = m_size;
destroy_range(m_buffer, count, old_size);
setArraySize(count);
copy_range(m_buffer, data, old_size);
construct_range(m_buffer, count, old_size, data);
#endif
}
// Assignment operator.

192
src/nvcore/Debug.cpp
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@ -172,48 +172,53 @@ namespace
return false;
}
MINIDUMP_EXCEPTION_INFORMATION ExInfo;
ExInfo.ThreadId = ::GetCurrentThreadId();
ExInfo.ExceptionPointers = pExceptionInfo;
ExInfo.ClientPointers = NULL;
MINIDUMP_CALLBACK_INFORMATION callback;
MINIDUMP_CALLBACK_INFORMATION * callback_pointer = NULL;
MinidumpCallbackContext context;
// Find a memory region of 256 bytes centered on the
// faulting instruction pointer.
const ULONG64 instruction_pointer =
#if defined(_M_IX86)
pExceptionInfo->ContextRecord->Eip;
#elif defined(_M_AMD64)
pExceptionInfo->ContextRecord->Rip;
#else
#error Unsupported platform
#endif
MEMORY_BASIC_INFORMATION info;
if (VirtualQuery(reinterpret_cast<LPCVOID>(instruction_pointer), &info, sizeof(MEMORY_BASIC_INFORMATION)) != 0 && info.State == MEM_COMMIT)
{
// Attempt to get 128 bytes before and after the instruction
// pointer, but settle for whatever's available up to the
// boundaries of the memory region.
const ULONG64 kIPMemorySize = 256;
context.memory_base = max(reinterpret_cast<ULONG64>(info.BaseAddress), instruction_pointer - (kIPMemorySize / 2));
ULONG64 end_of_range = min(instruction_pointer + (kIPMemorySize / 2), reinterpret_cast<ULONG64>(info.BaseAddress) + info.RegionSize);
context.memory_size = static_cast<ULONG>(end_of_range - context.memory_base);
context.finished = false;
callback.CallbackRoutine = miniDumpWriteDumpCallback;
callback.CallbackParam = reinterpret_cast<void*>(&context);
callback_pointer = &callback;
MINIDUMP_EXCEPTION_INFORMATION * pExInfo = NULL;
MINIDUMP_CALLBACK_INFORMATION * pCallback = NULL;
if (pExceptionInfo != NULL) {
MINIDUMP_EXCEPTION_INFORMATION ExInfo;
ExInfo.ThreadId = ::GetCurrentThreadId();
ExInfo.ExceptionPointers = pExceptionInfo;
ExInfo.ClientPointers = NULL;
pExInfo = &ExInfo;
MINIDUMP_CALLBACK_INFORMATION callback;
MinidumpCallbackContext context;
// Find a memory region of 256 bytes centered on the
// faulting instruction pointer.
const ULONG64 instruction_pointer =
#if defined(_M_IX86)
pExceptionInfo->ContextRecord->Eip;
#elif defined(_M_AMD64)
pExceptionInfo->ContextRecord->Rip;
#else
#error Unsupported platform
#endif
MEMORY_BASIC_INFORMATION info;
if (VirtualQuery(reinterpret_cast<LPCVOID>(instruction_pointer), &info, sizeof(MEMORY_BASIC_INFORMATION)) != 0 && info.State == MEM_COMMIT)
{
// Attempt to get 128 bytes before and after the instruction
// pointer, but settle for whatever's available up to the
// boundaries of the memory region.
const ULONG64 kIPMemorySize = 256;
context.memory_base = max(reinterpret_cast<ULONG64>(info.BaseAddress), instruction_pointer - (kIPMemorySize / 2));
ULONG64 end_of_range = min(instruction_pointer + (kIPMemorySize / 2), reinterpret_cast<ULONG64>(info.BaseAddress) + info.RegionSize);
context.memory_size = static_cast<ULONG>(end_of_range - context.memory_base);
context.finished = false;
callback.CallbackRoutine = miniDumpWriteDumpCallback;
callback.CallbackParam = reinterpret_cast<void*>(&context);
pCallback = &callback;
}
}
MINIDUMP_TYPE miniDumpType = (MINIDUMP_TYPE)(MiniDumpNormal|MiniDumpWithHandleData|MiniDumpWithThreadInfo);
// write the dump
BOOL ok = MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hFile, miniDumpType, &ExInfo, NULL, callback_pointer) != 0;
BOOL ok = MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hFile, miniDumpType, pExInfo, NULL, pCallback) != 0;
CloseHandle(hFile);
if (ok == FALSE) {
@ -402,9 +407,8 @@ namespace
// Write mini dump and print stack trace.
static LONG WINAPI handleException(EXCEPTION_POINTERS * pExceptionInfo)
{
#if USE_SEPARATE_THREAD
EnterCriticalSection(&s_handler_critical_section);
#if USE_SEPARATE_THREAD
s_requesting_thread_id = GetCurrentThreadId();
s_exception_info = pExceptionInfo;
@ -418,12 +422,11 @@ namespace
// Clean up.
s_requesting_thread_id = 0;
s_exception_info = NULL;
LeaveCriticalSection(&s_handler_critical_section);
#else
// First of all, write mini dump.
writeMiniDump(pExceptionInfo);
#endif
LeaveCriticalSection(&s_handler_critical_section);
nvDebug("\nDump file saved.\n");
@ -454,62 +457,21 @@ namespace
fclose(fp);
}
return EXCEPTION_EXECUTE_HANDLER; // Terminate app.
// This should terminate the process and set the error exit code.
TerminateProcess(GetCurrentProcess(), EXIT_FAILURE + 2);
return EXCEPTION_EXECUTE_HANDLER; // Terminate app. In case terminate process did not succeed.
}
/*static void handlePureVirtualCall() {
// This is an pure virtual function call, not an exception. It's safe to
// play with sprintf here.
AutoExceptionHandler auto_exception_handler;
ExceptionHandler* current_handler = auto_exception_handler.get_handler();
MDRawAssertionInfo assertion;
memset(&assertion, 0, sizeof(assertion));
assertion.type = MD_ASSERTION_INFO_TYPE_PURE_VIRTUAL_CALL;
// Make up an exception record for the current thread and CPU context
// to make it possible for the crash processor to classify these
// as do regular crashes, and to make it humane for developers to
// analyze them.
EXCEPTION_RECORD exception_record = {};
CONTEXT exception_context = {};
EXCEPTION_POINTERS exception_ptrs = { &exception_record, &exception_context };
::RtlCaptureContext(&exception_context);
exception_record.ExceptionCode = STATUS_NONCONTINUABLE_EXCEPTION;
// We store pointers to the the expression and function strings,
// and the line as exception parameters to make them easy to
// access by the developer on the far side.
exception_record.NumberParameters = 3;
exception_record.ExceptionInformation[0] = reinterpret_cast<ULONG_PTR>(&assertion.expression);
exception_record.ExceptionInformation[1] = reinterpret_cast<ULONG_PTR>(&assertion.file);
exception_record.ExceptionInformation[2] = assertion.line;
bool success = false;
// In case of out-of-process dump generation, directly call
// WriteMinidumpWithException since there is no separate thread running.
success = current_handler->WriteMinidumpOnHandlerThread(&exception_ptrs, &assertion);
if (!success) {
if (current_handler->previous_pch_) {
// The handler didn't fully handle the exception. Give it to the
// previous purecall handler.
current_handler->previous_pch_();
else {
// If there's no previous handler, return and let _purecall handle it.
// This will just put up an assertion dialog.
return;
}
}
static void handlePureVirtualCall() {
nvDebugBreak();
TerminateProcess(GetCurrentProcess(), EXIT_FAILURE + 8);
}
// The handler either took care of the invalid parameter problem itself,
// or passed it on to another handler. "Swallow" it by exiting, paralleling
// the behavior of "swallowing" exceptions.
exit(0);
}*/
static void handleInvalidParameter(const wchar_t * expresion, const wchar_t * function, const wchar_t * file, unsigned int line, uintptr_t reserved) {
nvDebugBreak();
TerminateProcess(GetCurrentProcess(), EXIT_FAILURE + 8);
}
#elif !NV_OS_WIN32 && defined(HAVE_SIGNAL_H) // NV_OS_LINUX || NV_OS_DARWIN
@ -755,8 +717,8 @@ namespace
}
if (ret == NV_ABORT_EXIT) {
// Exit cleanly.
throw "Assertion failed";
// Exit cleanly.
exit(EXIT_FAILURE + 1);
}
return ret;
@ -788,7 +750,7 @@ namespace
if( ret == NV_ABORT_EXIT ) {
// Exit cleanly.
throw "Assertion failed";
exit(EXIT_FAILURE + 1);
}
return ret;
@ -825,7 +787,7 @@ namespace
#endif
// Exit cleanly.
throw "Assertion failed";
exit(EXIT_FAILURE + 1);
}
};
@ -853,6 +815,38 @@ int nvAbort(const char * exp, const char * file, int line, const char * func/*=N
}
}
// Abnormal termination. Create mini dump and output call stack.
void debug::terminate(int code)
{
EnterCriticalSection(&s_handler_critical_section);
writeMiniDump(NULL);
const int max_stack_size = 64;
void * trace[max_stack_size];
int size = backtrace(trace, max_stack_size);
// @@ Use win32's CreateFile?
FILE * fp = fileOpen("crash.txt", "wb");
if (fp != NULL) {
Array<const char *> lines;
writeStackTrace(trace, size, 0, lines);
for (uint i = 0; i < lines.count(); i++) {
fputs(lines[i], fp);
delete lines[i];
}
// @@ Add more info to crash.txt?
fclose(fp);
}
LeaveCriticalSection(&s_handler_critical_section);
exit(code);
}
/// Shows a message through the message handler.
void NV_CDECL nvDebugPrint(const char *msg, ...)
@ -987,13 +981,11 @@ void debug::enableSigHandler(bool interactive)
s_old_exception_filter = ::SetUnhandledExceptionFilter( handleException );
/*
#if _MSC_VER >= 1400 // MSVC 2005/8
_set_invalid_parameter_handler(handleInvalidParameter);
#endif // _MSC_VER >= 1400
_set_purecall_handler(handlePureVirtualCall);
*/
// SYMOPT_DEFERRED_LOADS make us not take a ton of time unless we actual log traces

2
src/nvcore/Debug.h
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@ -197,6 +197,8 @@ namespace nv
NVCORE_API bool isDebuggerPresent();
NVCORE_API bool attachToDebugger();
NVCORE_API void terminate(int code);
}
} // nv namespace

9
src/nvcore/Utils.h
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@ -207,6 +207,13 @@ namespace nv
}
}
template <typename T>
void construct_range(T * restrict ptr, uint new_size, uint old_size, const T * src) {
for (uint i = old_size; i < new_size; i++) {
new(ptr+i) T(src[i]); // placement new
}
}
template <typename T>
void destroy_range(T * restrict ptr, uint new_size, uint old_size) {
for (uint i = new_size; i < old_size; i++) {
@ -223,7 +230,7 @@ namespace nv
}
template <typename T>
void copy(T * restrict dst, const T * restrict src, uint count) {
void copy_range(T * restrict dst, const T * restrict src, uint count) {
for (uint i = 0; i < count; i++) {
dst[i] = src[i];
}

58
src/nvimage/FloatImage.cpp
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@ -1338,7 +1338,7 @@ void FloatImage::flipZ()
float FloatImage::alphaTestCoverage(float alphaRef, int alphaChannel) const
float FloatImage::alphaTestCoverage(float alphaRef, int alphaChannel, float alphaScale/*=1*/) const
{
const uint w = m_width;
const uint h = m_height;
@ -1347,16 +1347,41 @@ float FloatImage::alphaTestCoverage(float alphaRef, int alphaChannel) const
const float * alpha = channel(alphaChannel);
#if 0
const uint count = m_pixelCount;
for (uint i = 0; i < count; i++) {
if (alpha[i] > alphaRef) coverage += 1.0f; // @@ gt or lt?
}
return coverage / float(w * h);
#else
const uint n = 8;
// If we want subsampling:
for (uint y = 0; y < h-1; y++) {
for (uint x = 0; x < w-1; x++) {
float alpha00 = nv::saturate(pixel(alphaChannel, x+0, y+0, 0) * alphaScale);
float alpha10 = nv::saturate(pixel(alphaChannel, x+1, y+0, 0) * alphaScale);
float alpha01 = nv::saturate(pixel(alphaChannel, x+0, y+1, 0) * alphaScale);
float alpha11 = nv::saturate(pixel(alphaChannel, x+1, y+1, 0) * alphaScale);
for (float fy = 0.5f/n; fy < 1.0f; fy++) {
for (float fx = 0.5f/n; fx < 1.0f; fx++) {
float alpha = alpha00 * (1 - fx) * (1 - fy) + alpha10 * fx * (1 - fy) + alpha01 * (1 - fx) * fy + alpha11 * fx * fy;
if (alpha > alphaRef) coverage += 1.0f;
}
}
}
}
return coverage / float(w * h * n * n);
#endif
}
void FloatImage::scaleAlphaToCoverage(float desiredCoverage, float alphaRef, int alphaChannel)
{
#if 0
float minAlphaRef = 0.0f;
float maxAlphaRef = 1.0f;
float midAlphaRef = 0.5f;
@ -1383,8 +1408,35 @@ void FloatImage::scaleAlphaToCoverage(float desiredCoverage, float alphaRef, int
// Scale alpha channel.
scaleBias(alphaChannel, 1, alphaScale, 0.0f);
clamp(alphaChannel, 1, 0.0f, 1.0f);
#else
float minAlphaScale = 0.0f;
float maxAlphaScale = 4.0f;
float alphaScale = 1.0f;
// Determine desired scale using a binary search. Hardcoded to 8 steps max.
for (int i = 0; i < 10; i++) {
float currentCoverage = alphaTestCoverage(alphaRef, alphaChannel, alphaScale);
if (currentCoverage < desiredCoverage) {
minAlphaScale = alphaScale;
}
else if (currentCoverage > desiredCoverage) {
maxAlphaScale = alphaScale;
}
else {
break;
}
//float newCoverage = alphaTestCoverage(alphaRef, alphaChannel);
alphaScale = (minAlphaScale + maxAlphaScale) * 0.5f;
}
// Scale alpha channel.
scaleBias(alphaChannel, 1, alphaScale, 0.0f);
clamp(alphaChannel, 1, 0.0f, 1.0f);
#endif
#if _DEBUG
float newCoverage = alphaTestCoverage(alphaRef, alphaChannel);
#endif
}
FloatImage* FloatImage::clone() const

2
src/nvimage/FloatImage.h
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@ -103,7 +103,7 @@ namespace nv
NVIMAGE_API void flipY();
NVIMAGE_API void flipZ();
NVIMAGE_API float alphaTestCoverage(float alphaRef, int alphaChannel) const;
NVIMAGE_API float alphaTestCoverage(float alphaRef, int alphaChannel, float alphaScale = 1.0f) const;
NVIMAGE_API void scaleAlphaToCoverage(float coverage, float alphaRef, int alphaChannel);

77
src/nvmath/Half.cpp
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@ -76,6 +76,10 @@
#include "Half.h"
#include <stdio.h>
#if NV_CC_GNUC
#include <xmmintrin.h>
#endif
// Load immediate
static inline uint32 _uint32_li( uint32 a )
{
@ -488,10 +492,79 @@ nv::half_to_float( uint16 h )
}
// @@ This code appears to be wrong.
static __m128 half_to_float4_SSE2(__m128i h)
{
#define SSE_CONST4(name, val) static const __declspec(align(16)) uint name[4] = { (val), (val), (val), (val) }
#define CONST(name) *(const __m128i *)&name
SSE_CONST4(mask_nosign, 0x7fff);
SSE_CONST4(mask_justsign, 0x8000);
SSE_CONST4(mask_shifted_exp, 0x7c00 << 13);
SSE_CONST4(expadjust_normal, (127 - 15) << 23);
SSE_CONST4(expadjust_infnan, (128 - 16) << 23);
SSE_CONST4(expadjust_denorm, 1 << 23);
SSE_CONST4(magic_denorm, 113 << 23);
__m128i mnosign = CONST(mask_nosign);
__m128i expmant = _mm_and_si128(mnosign, h);
__m128i justsign = _mm_and_si128(h, CONST(mask_justsign));
__m128i mshiftexp = CONST(mask_shifted_exp);
__m128i eadjust = CONST(expadjust_normal);
__m128i shifted = _mm_slli_epi32(expmant, 13);
__m128i adjusted = _mm_add_epi32(eadjust, shifted);
__m128i justexp = _mm_and_si128(shifted, mshiftexp);
__m128i zero = _mm_setzero_si128();
__m128i b_isinfnan = _mm_cmpeq_epi32(mshiftexp, justexp);
__m128i b_isdenorm = _mm_cmpeq_epi32(zero, justexp);
__m128i adj_infnan = _mm_and_si128(b_isinfnan, CONST(expadjust_infnan));
__m128i adjusted2 = _mm_add_epi32(adjusted, adj_infnan);
__m128i adj_den = CONST(expadjust_denorm);
__m128i den1 = _mm_add_epi32(adj_den, adjusted2);
__m128 den2 = _mm_sub_ps(_mm_castsi128_ps(den1), *(const __m128 *)&magic_denorm);
__m128 adjusted3 = _mm_and_ps(den2, _mm_castsi128_ps(b_isdenorm));
__m128 adjusted4 = _mm_andnot_ps(_mm_castsi128_ps(b_isdenorm), _mm_castsi128_ps(adjusted2));
__m128 adjusted5 = _mm_or_ps(adjusted3, adjusted4);
__m128i sign = _mm_slli_epi32(justsign, 16);
__m128 final = _mm_or_ps(adjusted5, _mm_castsi128_ps(sign));
// ~21 SSE2 ops.
return final;
#undef SSE_CONST4
#undef CONST
}
void nv::half_to_float_array(const uint16 * vin, float * vout, int count) {
nvDebugCheck((intptr_t(vin) & 15) == 0);
nvDebugCheck((intptr_t(vout) & 15) == 0);
nvDebugCheck((count & 7) == 0);
__m128i zero = _mm_setzero_si128();
for (int i = 0; i < count; i += 8)
{
__m128i in = _mm_loadu_si128((const __m128i *)(vin + i));
__m128i a = _mm_unpacklo_epi16(in, zero);
__m128i b = _mm_unpackhi_epi16(in, zero);
__m128 outa = half_to_float4_SSE2(a);
_mm_storeu_ps((float *)(vout + i), outa);
__m128 outb = half_to_float4_SSE2(b);
_mm_storeu_ps((float *)(vout + i + 4), outb);
}
}
// @@ These tables could be smaller.
namespace nv {
uint32 mantissa_table[2048];
uint32 mantissa_table[2048] = { 0xDEADBEEF };
uint32 exponent_table[64];
uint32 offset_table[64];
}

4
src/nvmath/Half.h
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@ -9,6 +9,9 @@ namespace nv {
uint32 half_to_float( uint16 h );
uint16 half_from_float( uint32 f );
// vin,vout must be 16 byte aligned. count must be a multiple of 8.
void half_to_float_array(const uint16 * vin, float * vout, int count);
void half_init_tables();
extern uint32 mantissa_table[2048];
@ -19,6 +22,7 @@ namespace nv {
// http://www.fox-toolkit.org/ftp/fasthalffloatconversion.pdf
inline uint32 fast_half_to_float(uint16 h)
{
nvDebugCheck(mantissa_table[0] == 0); // Make sure table was initialized.
uint exp = h >> 10;
return mantissa_table[offset_table[exp] + (h & 0x3ff)] + exponent_table[exp];
}

1
src/nvmath/Matrix.h
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@ -62,6 +62,7 @@ namespace nv
Matrix();
explicit Matrix(float f);
explicit Matrix(identity_t);
Matrix(const Matrix3 & m);
Matrix(const Matrix & m);
Matrix(Vector4::Arg v0, Vector4::Arg v1, Vector4::Arg v2, Vector4::Arg v3);
//explicit Matrix(const float m[]); // m is assumed to contain 16 elements

13
src/nvmath/Matrix.inl
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@ -250,6 +250,19 @@ namespace nv
}
}
inline Matrix::Matrix(const Matrix3 & m)
{
for(int i = 0; i < 3; i++) {
for(int j = 0; j < 3; j++) {
operator()(i, j) = m.get(i, j);
}
}
for(int i = 0; i < 4; i++) {
operator()(3, i) = 0;
operator()(i, 3) = 0;
}
}
inline Matrix::Matrix(Vector4::Arg v0, Vector4::Arg v1, Vector4::Arg v2, Vector4::Arg v3)
{
m_data[ 0] = v0.x; m_data[ 1] = v0.y; m_data[ 2] = v0.z; m_data[ 3] = v0.w;

2
src/nvthread/ParallelFor.cpp
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@ -16,7 +16,7 @@ using namespace nv;
#define ENABLE_PARALLEL_FOR 0
#endif
void worker(void * arg) {
static void worker(void * arg) {
ParallelFor * owner = (ParallelFor *)arg;
while(true) {

4
src/nvtt/ClusterFit.cpp
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@ -92,8 +92,8 @@ void ClusterFit::setColourSet(const ColorSet * set)
{
int p = order[i];
#if NVTT_USE_SIMD
NV_ALIGN_16 Vector4 tmp(values[p] * set->weights[p], set->weights[p]);
m_weighted[i] = SimdVector(tmp.component);
NV_ALIGN_16 Vector4 tmp(values[p], 1);
m_weighted[i] = SimdVector(tmp.component) * SimdVector(set->weights[p]);
m_xxsum += m_weighted[i] * m_weighted[i];
m_xsum += m_weighted[i];
#else

28
src/nvtt/CompressorDX9.cpp
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@ -40,6 +40,7 @@
#include "nvimage/BlockDXT.h"
#include "nvmath/Vector.inl"
#include "nvmath/Color.inl"
#include "nvcore/Memory.h"
@ -111,18 +112,15 @@ void FastCompressorDXT5n::compressBlock(ColorBlock & rgba, nvtt::AlphaMode alpha
QuickCompress::compressDXT5(rgba, block);
}
#if 1
#if 0
void CompressorDXT1::compressBlock(ColorSet & set, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output)
{
set.setUniformWeights();
set.createMinimalSet(false);
ClusterFit fit;
fit.setMetric(compressionOptions.colorWeight);
set.createMinimalSet(/*ignoreTransparent*/false);
BlockDXT1 * block = new(output) BlockDXT1;
if (set.isSingleColor(true))
if (set.isSingleColor(/*ignoreAlpha*/true))
{
Color32 c;
c.r = uint8(clamp(set.colors[0].x, 0.0f, 1.0f) * 255);
@ -133,16 +131,19 @@ void CompressorDXT1::compressBlock(ColorSet & set, nvtt::AlphaMode alphaMode, co
}
else
{
ClusterFit fit;
fit.setMetric(compressionOptions.colorWeight);
fit.setColourSet(&set);
Vector3 start, end;
fit.compress4(&start, &end);
QuickCompress::outputBlock4(set, start, end, block);
if (fit.compress3(&start, &end)) {
QuickCompress::outputBlock3(set, start, end, block);
}
else {
QuickCompress::outputBlock4(set, start, end, block);
}
}
}
#else
@ -219,16 +220,15 @@ void CompressorDXT3::compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode,
nvsquish::WeightedClusterFit fit;
fit.SetMetric(compressionOptions.colorWeight.x, compressionOptions.colorWeight.y, compressionOptions.colorWeight.z);
int flags = 0;
if (alphaMode == nvtt::AlphaMode_Transparency) flags |= nvsquish::kWeightColourByAlpha;
int flags = 0;
if (alphaMode == nvtt::AlphaMode_Transparency) flags |= nvsquish::kWeightColourByAlpha;
nvsquish::ColourSet colours((uint8 *)rgba.colors(), flags);
fit.SetColourSet(&colours, 0);
fit.Compress(&block->color);
nvsquish::ColourSet colours((uint8 *)rgba.colors(), flags);
fit.SetColourSet(&colours, 0);
fit.Compress(&block->color);
}
}
void CompressorDXT5::compressBlock(ColorBlock & rgba, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output)
{
BlockDXT5 * block = new(output) BlockDXT5;

2
src/nvtt/CompressorDX9.h
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@ -64,7 +64,7 @@ namespace nv
// Normal CPU compressors.
#if 1
#if 0
struct CompressorDXT1 : public ColorSetCompressor
{
virtual void compressBlock(ColorSet & set, nvtt::AlphaMode alphaMode, const nvtt::CompressionOptions::Private & compressionOptions, void * output);

2
src/nvtt/CompressorRGB.cpp
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@ -310,7 +310,7 @@ void PixelFormatConverter::compress(nvtt::AlphaMode /*alphaMode*/, uint w, uint
{
for (uint y = 0; y < h; y++)
{
const float * src = (const float *)data + y * w;
const float * src = (const float *)data + (z * h + y) * w;
BitStream stream(dst);

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